9 Best Energy-Efficient Slow Cookers: Low Wattage, High Performance

best energy efficient slow cooker uk
© VonShef

The importance of energy efficiency in a slow cooker lies in its ability to save costs, reduce environmental impact, and enhance cooking performance.

Energy-efficient slow cookers not only lower electricity or gas bills but also contribute to environmental sustainability by reducing greenhouse gas emissions.

They provide consistent and even cooking, extending the lifespan of the appliance and promoting safety with features like automatic shut-off. Furthermore, their programmable settings offer convenience, while their reduced heat generation is beneficial in warmer climates.

What Makes an Energy-Efficient Slow Cooker?

1. Low Wattage

Energy-efficient slow cookers typically have low wattage ratings. ideally falling between 100 and 250 watts. This means they consume less electricity while still cooking food thoroughly and evenly.

2. Programmable Settings

Models with programmable settings allow you to adjust cooking times and temperatures, ensuring your meals are perfectly cooked without wasting energy.

3. Tight-Fitting Lid

A well-fitting lid helps trap heat and moisture inside the slow cooker, reducing the cooking time and energy consumption.

4. Insulated Crock

Slow cookers with insulated crocks maintain a consistent temperature, reducing the need for excessive energy to keep your food warm.

9 of the most energy-efficient slow cookers (with wattages ranging from 100 to 220 watts)

The Crock-Pot Slow Cooker in sleek black offers efficient and low-energy cooking at just 100 watts. Its compact 1.8-litre capacity suits small households, with a removable stoneware ceramic bowl that’s perfect for serving and dishwasher-safe for easy cleanup.

This round slow cooker features three heat settings (low, high, and keep-warm) and is oven-safe for browning. Not only does it excel at casseroles, curries, chilli, soups, and desserts, but it’s also energy-conscious.

Slow cooking is nearly twice as energy-efficient as conventional ovens, making it a cost-saving choice. Plus, it comes with a 2-year guarantee for peace of mind.

Key Features

  • 100-watt energy-efficient operation
  • 1.8-litre capacity, perfect for small households
  • Removable dishwasher-safe stoneware ceramic bowl
  • Three heat settings: low, high, and keep-warm
  • Oven-safe bowl for browning and versatility
  • Ideal for casseroles, curries, chilli, soups, and desserts
  • Comes with a reassuring 2-year guarantee
  • Affordable price.

The VonShef Slow Cooker in stainless steel offers a convenient way to prepare homemade meals. With a 2.5-litre capacity and a low wattage of just 170 watts, it’s energy-efficient and perfect for solo diners and couples.

This cooker features three cooking modes, including low, high, and a keep-warm function, allowing you to tailor your cooking to your schedule. Its robust stainless steel body houses a removable ceramic inner dish and a dishwasher-safe glass lid for easy cleaning.

Key Features

  • 2.5-litre capacity for small meals
  • Energy-efficient with only 170 watts
  • Three cooking modes: low, high, and keep warm
  • Robust stainless steel body for durability
  • Removable ceramic inner dish for easy cleaning
  • Dishwasher-safe glass lid
  • Non-slip feet for safety during use
  • Comes with a 2-year manufacturer’s warranty

Morphy Richards offers a black slow cooker made from durable aluminium, With a 3.5-litre capacity and low 163-watt power usage, it’s an energy-efficient addition to your kitchen.

The cooking pot is hob proof, allowing you to sear and slow cook in one vessel, and both the pot and toughened glass lid are dishwasher safe, ensuring easy cleaning.

You can monitor your cooking through the shatter-proof glass lid, and it’s designed in an oval shape for even cooking.

Key Features

  • 3.5-litre capacity for generous meal sizes.
  • Energy-efficient 163-watt power usage.
  • Hob-proof cooking pot.
  • Dishwasher-safe cooking pot and glass lid.
  • Toughened glass lid. 
  • Shatter-proof cooking pot.
  • Sleek black design with durable aluminium construction.
  • Oval shape for even and efficient cooking

This Morphy Richards slow cooker, finished in brushed steel, boasts a low-wattage design, consuming just 163 watts. With a 6.5-litre capacity, it’s perfect for families, offering ample space for 10 starters or six main portions.

Crafted from glass and ceramic, it features a dishwasher-safe pot and lid for easy cleanup. The removable ceramic pot doubles as a serving dish, and the toughened glass lid lets you keep an eye on your cooking.

Three cooking settings ensure your meals are ready when you are, Voltage is 240, and it’s an ideal choice for energy efficiency.

Key Features

  • Energy-efficient: Consumes only 163 watts.
  • 6.5-litre capacity, suitable for families.
  • Dishwasher-safe pot and lid.
  • Removable ceramic pot doubles as a serving dish.
  • Transparent cooking: Toughened glass lid for monitoring
  • Three cooking options
  • Operates at 240 volts

This Crock-Pot slow cooker in sleek black boasts energy efficiency with its low 190-watt usage. Ideal for couples or small families, it holds 3.7 litres and offers three heat settings: low, high, and keep-warm, making it perfect for casseroles, curries, and even desserts.

The removable stoneware ceramic bowl is dishwasher-safe and suitable for serving at the table. You can also use it in the oven for browning.

Key Features

  • Energy-efficient: Consumes only 190 watts, saving on energy bills.
  • Offers 3 heat settings – low, high, and keep-warm.
  • 3.7-litre capacity, suitable for couples and small families.
  • Easy Cleaning
  • Ideal for serving directly and oven-safe for browning
  • 2-year warranty

This Morphy Richards slow cooker in sleek black, made from durable aluminium, measures 44D x 29W x 26H centimetres. With a generous 6.5-litre capacity, it’s both energy-efficient at 163 watts and time-efficient, as you choose the cooking time with a simple dial.

It also features an auto keep-warm function, ensuring your meal is ready when you are. The count-down indicator lets you easily track the remaining cooking time, and if needed, you can override or manually adjust the heat setting.

Key Features

  • 6.5-litre capacity
  • Energy-efficient at 163 watts
  • Manual cooking time dial
  • Auto keep-warm function
  • Clear count-down indicator
  • Durable black aluminium build
  • Compact 44D x 29W x 26H cm size
  • Adjustable cooking settings

With a 3.5-litre capacity, this Russell Hobbs 24180 Chalkboard Slow Cooker is perfect for preparing meals for up to four people.

The low wattage of 200 watts makes it an energy-efficient choice, consuming less power while delivering delicious results. It features three heat settings: high, low, and a keep-warm function, ensuring your dishes are cooked to perfection.

The matt black powder coating adds a touch of elegance, while the glass lid allows you to monitor your culinary creations as they simmer away. Plus, it’s dishwasher safe for easy cleanup.

Key Features

  • 3.5-litre capacity
  • Energy-efficient with 200 watts
  • Three heat settings: high, low, keep warm
  • Matt black powder coating
  • Glass lid for easy food monitoring
  • Ideal for serving up to four portions
  • Dishwasher safe.

This Crock-Pot slow cooker, with its durable ceramic build, boasts a 4.7-litre capacity and energy-efficient 220 watts. The digital timer allows precise cooking times from 30 minutes to 20 hours, while the auto keep-warm function ensures your meal is always ready.

The hinged lid simplifies serving, minimizing countertop mess, while both the bowl and lid are dishwasher-safe for effortless cleaning. With three heat settings (Low, High, and Keep-Warm), it’s ideal for preparing a wide range of dishes.

Key Features

  • Digital Timer 
  • Auto Keep-Warm 
  • Hinged Lid – Simplifies serving and reduces mess
  • Dishwasher-Safe
  • 4.7-Litre Capacity
  • 3 Heat Settings 
  • 2-Year Guarantee 

The Andrew James Slow Cooker in a stylish red design is both energy-efficient and practical. With a 3.5-litre capacity, it’s perfect for crafting delicious family meals. Made from stainless steel and ceramic materials, it’s durable and easy to clean, even in the dishwasher.

The 200-watt power usage ensures low electricity consumption, making it an economical choice compared to conventional ovens. Featuring three temperature settings – High, Low, and Auto – this slow cooker adapts to your cooking needs.

The Auto mode switches from High to Low, maintaining a constant temperature. With a removable ceramic bowl and a tempered glass lid, monitoring your cooking progress is effortless.

Key Features

  • 3.5-litre capacity for family-sized meals
  • Durable stainless steel and ceramic construction
  • Energy-efficient 200-watt power consumption
  • Three temperature settings: High, Low, and Auto
  • Removable ceramic bowl and tempered glass lid
  • Dishwasher-safe for easy cleaning
  • Transparent lid allows for easy food monitoring
  • 2-year manufacturer’s warranty

How much energy does an energy-efficient slow cooker save compared to traditional cooking methods?

An energy-efficient slow cooker can save a significant amount of energy compared to traditional cooking methods. Typically, it uses only a fraction of the electricity that conventional ovens or stovetops consume. This makes it an environmentally friendly and energy-saving choice for cooking.

Can I leave an energy-efficient slow cooker unattended for long periods?

Yes, you can leave an energy-efficient slow cooker unattended for long periods. These appliances are designed for safe and extended cooking times. However, it’s important to follow the manufacturer’s recommendations and ensure proper ventilation when cooking for extended hours to maintain safety.

How does the wattage of a slow cooker affect its energy efficiency?

The wattage of a slow cooker plays a significant role in determining its energy efficiency. Energy-efficient slow cookers typically have low wattage ratings, typically falling between 100 and 250 watts.

This lower wattage means they consume less electricity while still delivering excellent cooking results. It’s a key factor in their ability to cook food thoroughly and evenly while saving energy compared to higher-wattage appliances.

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